<div class="owl">
  <div [class.password]="isPwdFocus" class="hand"></div>
  <div [class.password]="isPwdFocus" class="hand hand-r"></div>
  <div class="arms">
    <div [class.password]="isPwdFocus" class="arm"></div>
    <div [class.password]="isPwdFocus" class="arm arm-r"></div>
  </div>
</div>
